63742885 has 8 divisors (see below), whose sum is σ = 76550040. Its totient is φ = 50955264.

The previous prime is 63742879. The next prime is 63742907. The reversal of 63742885 is 58824736.

It can be written as a sum of positive squares in 4 ways, for example, as 1790244 + 61952641 = 1338^2 + 7871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63742885 - 2¹⁵ = 63710117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3661 + ... + 11869.

It is an arithmetic number, because the mean of its divisors is an integer number (9568755).

Almost surely, 2^63742885 is an apocalyptic number.

It is an amenable number.

63742885 is a deficient number, since it is larger than the sum of its proper divisors (12807155).

63742885 is a wasteful number, since it uses less digits than its factorization.

63742885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9767.

The product of its digits is 322560, while the sum is 43.

The square root of 63742885 is about 7983.9141403199. The cubic root of 63742885 is about 399.4636248257.

The spelling of 63742885 in words is "sixty-three million, seven hundred forty-two thousand, eight hundred eighty-five".